EC424

The CAN signals sent from control unit N22/7 (Automatic air conditioning control and operating unit) are incomplete.


Possible cause:

- N22/7 (Automatic air conditioning control and operating unit)
Affected functions:

- CAN Communication
- Automatic transmission Function

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Test 1: Remedial action in the event of implausible signals from control unit N22/7 (Automatic air conditioning control and operating unit)

1. Remedial action in the event of implausible signals from control unit N22/7 (Automatic air conditioning control and operating unit)
Operation number of operation texts and work units or standard texts and flat rates:27-0641WARNING

- This is not a function error of control module N15/3 (ETC [EGS] control unit) and does not justify replacement.
Possible cause for the entry of this event code

- Operational fault of component N22/7 (Automatic air conditioning control and operating unit)
Possible measures

- Read out fault memory of control unit N22/7 (Automatic air conditioning control and operating unit).
- Process displayed fault codes in control module N22/7 (Automatic air conditioning control and operating unit).
End of test